A CMOS digitally programmable universal current-mode filter

Hussain A. Alzaher

doi:10.1109/TCSII.2008.921599

A CMOS digitally programmable universal current-mode filter

Hussain A. Alzaher^*

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

A new digitally programmable universal current-mode biquad filter is proposed. The filter is based on digitally controlled current followers (DCCFs). It utilizes gains of the DCCFs to provide precise frequency and/ or gain characteristics that can be digitally tuned over a wide range. All parameters of the proposed filter can be adjusted independently. Experimental results obtained from a 0.35-μ m standard CMOS chip are provided.

Original language	English
Pages (from-to)	758-762
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	55
Issue number	8
DOIs	https://doi.org/10.1109/TCSII.2008.921599
State	Published - 2008

Bibliographical note

Funding Information:
Manuscript received August 8, 2007; revised October 10, 2007, and December 12, 2007. Published August 13, 2008 (projected). This work was supported by the King Fahd University of Petroleum and Minerals under Project IN060324. This paper was recommended by Associate Editor A. J. Lopéz-Martin.

Keywords

CMOS analog integrated circuits
Current-mode (CM) filters

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TCSII.2008.921599

Cite this

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author = "Alzaher, \{Hussain A.\}",

note = "Funding Information: Manuscript received August 8, 2007; revised October 10, 2007, and December 12, 2007. Published August 13, 2008 (projected). This work was supported by the King Fahd University of Petroleum and Minerals under Project IN060324. This paper was recommended by Associate Editor A. J. Lop{\'e}z-Martin.",

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AB - A new digitally programmable universal current-mode biquad filter is proposed. The filter is based on digitally controlled current followers (DCCFs). It utilizes gains of the DCCFs to provide precise frequency and/ or gain characteristics that can be digitally tuned over a wide range. All parameters of the proposed filter can be adjusted independently. Experimental results obtained from a 0.35-μ m standard CMOS chip are provided.

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KW - Current-mode (CM) filters

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ER -

A CMOS digitally programmable universal current-mode filter

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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Cite this